Analysis
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max time kernel
148s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
26-01-2024 11:33
General
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Target
2024-01-26_89276db4cf1b403eb568c63e22c6f1a8_cryptolocker.exe
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Size
126KB
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MD5
89276db4cf1b403eb568c63e22c6f1a8
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SHA1
e239d787204d4c11e8063947bd3394a33737c7d7
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SHA256
04210126aac1f6806737e65f46cdc65aca34120e73a2780e4e8f85362cde762c
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SHA512
4e285225f78653b7df1e570a188fe76bdb95cd74b6815cbcaa2659a6d389044cdb78d1b2197c4367b122600ce3e2f7d83722c031b2999eec94bd05c19815844c
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp699GNtL1ej:AnBdOOtEvwDpj6z5
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 5 IoCs
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UPX dump on OEP (original entry point) 5 IoCs
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 1 IoCs
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UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-01-26_89276db4cf1b403eb568c63e22c6f1a8_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-26_89276db4cf1b403eb568c63e22c6f1a8_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
126KB
MD57797ec6646558eb466fb3feb4492eb1c
SHA1f3ab0d83489f829cf5e7cfa94e9c34735e6a1ce3
SHA2564563b163367422db7ea70d535a42eeb1bd504df64c99941e338e087b3e09d1ab
SHA512b10730ee721d391742cc213366dd30104b0adba03259396c4beddf5fb84abb49ec4be382a2b525af53795c6a459ae9373cf02f7e9c3a2bd0f057e899fed0bb47
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Filesize
60KB
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Filesize
24KB
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Filesize
60KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB